Abstract
A new type of gas-gas jet pump was designed. According to the special structure of the jet pump, the jetting performance of different nozzle structure and the distance between the throat and the nozzle was numerically analyzed based on the Fluent and the standard turbulent model, and the effect of different nozzle geometrical parameters and the distance between the throat and the nozzle was investigated. The optimum nozzle structure and the distance between the throat and the nozzle were obtained according to the driving fluid mass flow quantity (the suction quantity). The results showed that the optimum parameters of the jet pump were as follows: flare mouth diameter was 400mm, the nozzle outlet diameter was 25mm, the optimum distance between the throat and the nozzle was 60mm.
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